CN211259567U

CN211259567U - Output shaft assembly devices for crane casting speed reducer

Info

Publication number: CN211259567U
Application number: CN201921334821.3U
Authority: CN
Inventors: 韩广增; 刘义松; 张广利; 杨公臣; 马兴忠
Original assignee: Zhangqiu Wanhezheng Casting Machinery Co ltd
Current assignee: Zhangqiu Wanhezheng Casting Machinery Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-08-14
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses an output shaft assembly devices for the speed reducer of the casting crane, including output shaft, first end cover, first bearing, first top cover, gear, second top cover, second bearing and second end cover, set up first top cover between first bearing and the gear, the one end of first top cover offsets with first bearing, the other end of first top cover offsets with the gear, set up second top cover between second bearing and the gear, the one end of second top cover offsets with the second bearing, the other end of second top cover offsets with the gear; first bearing and second bearing are fixed it on the reduction gear shell through first end cover and second end cover respectively, and the gear is fixed between first top cover and second top cover, and is fine fix the gear in fixed position, makes it can not take place to remove, can not make the gear slide, and the gear keeps the original position unchangeable, the better operation requirement who satisfies the reduction gear.

Description

Output shaft assembly devices for crane casting speed reducer

Technical Field

The utility model relates to a casting equipment technical field, in particular to output shaft assembly devices for crane caster speed reducer.

Background

The manufacturing crane is a common device in casting production, the speed reducer is an important device in the casting crane, the performance of the speed reducer directly influences the use of the casting crane, and at present, the output shaft of the existing casting crane fixes the gear on the output shaft through key connection, so that the gear slides after being used for a period of time, and is separated from a fixed position, and the speed reducer is damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can not make the gear slide, gear keeps original position unmovable output shaft assembly devices for the foundry crane speed reducer.

In order to solve the technical problem, the utility model discloses a technical scheme does: the utility model provides an output shaft assembly devices for foundry crane speed reducer, including the output shaft, first end cover, first bearing, first top cover, the gear, the second top cover, second bearing and second end cover, the one end of output shaft is installed on the reduction gear shell through first bearing, the other end of output shaft passes through the second bearing and installs on the reduction gear shell, the output shaft is located and sets up the gear between first bearing and the second bearing, set up first top cover between first bearing and the gear, the one end and the first bearing of first top cover offset, the other end and the gear of first top cover offset, set up the second top cover between second bearing and the gear, the one end and the second bearing of second top cover offset, the other end and the gear of second top cover offset, first bearing is fixed on the reduction gear shell through first end cover, the second bearing is fixed on the reduction gear shell through the second end cover.

As a preferred embodiment, the output shaft is a stepped shaft, two ends of the stepped shaft extend to the outside of the reducer casing, a gear part is arranged at one end of the output shaft, which is located at the first bearing, and a key groove is arranged at one end of the output shaft, which is located at the second bearing.

As a preferred embodiment, the diameter of the output shaft decreases in order from the end where the gear portion is provided to the end where the key groove is provided.

As a preferred embodiment, the output shaft is keyed to secure the gear thereto.

As a preferred embodiment, the first bearing and the second bearing are conical bearings.

As a preferred embodiment, a sealing ring is arranged between the first end cover and the output shaft, and a sealing ring is arranged between the second end cover and the output shaft.

Adopt above-mentioned technical scheme this practicality to obtain beneficial effect does: first bearing and second bearing are fixed it on the reduction gear shell through first end cover and second end cover respectively, and the gear is fixed between first top cover and second top cover, and is fine fix the gear in fixed position, makes it can not take place to remove, can not make the gear slide, and the gear keeps the original position unchangeable, the better operation requirement who satisfies the reduction gear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-an output shaft; 2-a first end cap; 3-a first bearing; 4-a first top sleeve; 5-a gear; 6-second top sleeve; 7-a second bearing; 8-a second end cap; 9-reducer housing; 10-gear section.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The utility model is further described with the accompanying drawings, which makes the technical personnel in the technical field better implement the utility model, the utility model provides an output shaft 1 assembly mechanism for a casting crane speed reducer, which comprises an output shaft 1, a first end cover 2, a first bearing 3, a first top sleeve 4, a gear 5, a second top sleeve 6, a second bearing 7 and a second end cover 8, one end of the output shaft 1 is arranged on a speed reducer shell 9 through the first bearing 3, the other end of the output shaft 1 is arranged on the speed reducer shell 9 through the second bearing 7, the output shaft 1 is arranged between the first bearing 3 and the second bearing 7 and is provided with the gear 5, the output shaft 1 is a stepped shaft, both ends of which extend to the outside of the speed reducer shell 9, one end of the output shaft 1, which is arranged on the first bearing 3, is provided with a gear part 10, one end of the output shaft 1, which is arranged, in order to facilitate the insertion of the output shaft 1 into the reducer case 9 from one end, the diameter of the output shaft 1 decreases from the end where the gear portion 10 is provided to the end where the key groove is provided. Set up first top cover 4 between first bearing 3 and the gear 5, the one end of first top cover 4 offsets with first bearing 3, the other end of first top cover 4 offsets with gear 5, set up second top cover 6 between second bearing 7 and the gear 5, the one end of second top cover 6 offsets with second bearing 7, the other end of second top cover 6 offsets with gear 5, first bearing 3 is fixed on reduction gear housing 9 through first end cover 2, second bearing 7 is fixed on reduction gear housing 9 through second end cover 8.

The embodiment of the utility model provides an output shaft 1 through the key-type connection with gear 5 fix on it, also can fix gear 5 on output shaft 1 through other modes; in order to improve the bearing capacity of bearing axial force, the first bearing 3 and the second bearing 7 are conical bearings, and in order to improve the sealing performance, a sealing ring is arranged between the first end cover 2 and the output shaft 1, and a sealing ring is arranged between the second end cover 8 and the output shaft 1.

The embodiment of the utility model provides a first bearing 3 and second bearing 7 are fixed it on reduction gear housing 9 through first end cover 2 and second end cover 8 respectively, and gear 5 is fixed between first top cover 4 and second top cover 6, and fine fixes gear 5 in fixed position, makes it can not take place to remove, can not make gear 5 slide, and gear 5 keeps the original position unchangeable, the better operation requirement who satisfies the reduction gear.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an output shaft assembly devices for foundry crane speed reducer which characterized in that: the gear-driven mechanism comprises an output shaft, a first end cover, a first bearing, a first top sleeve, a gear, a second top sleeve, a second bearing and a second end cover, wherein one end of the output shaft is installed on a speed reducer shell through the first bearing, the other end of the output shaft is installed on the speed reducer shell through the second bearing, the gear is arranged between the first bearing and the second bearing and positioned on the output shaft, the first top sleeve is arranged between the first bearing and the gear, one end of the first top sleeve is abutted against the first bearing, the other end of the first top sleeve is abutted against the gear, the second top sleeve is arranged between the second bearing and the gear, one end of the second top sleeve is abutted against the second bearing, the other end of the second top sleeve is abutted against the gear, the first bearing is fixed on the speed reducer shell through the first end cover, and the second bearing is fixed on the speed reducer shell; the output shaft is the step shaft, and its both ends extend to the reduction gear shell outside, and the one end that the output shaft is located first bearing is provided with gear portion, and the one end that the output shaft is located the second bearing is provided with the keyway.

2. The output shaft assembling mechanism for a reduction gear of a ladle crane according to claim 1, wherein: the output shaft is reduced in order from the diameter of the end where the gear portion is provided to the diameter of the end where the key groove is provided.

3. The output shaft assembling mechanism for a reduction gear of a ladle crane according to claim 2, wherein: the output shaft is keyed to secure the gear thereto.

4. The output shaft assembling mechanism for a reduction gear of a ladle crane according to claim 3, wherein: the first bearing and the second bearing are conical bearings.

5. The output shaft assembling mechanism for a reduction gear of a ladle crane according to claim 4, wherein: a sealing ring is arranged between the first end cover and the output shaft, and a sealing ring is arranged between the second end cover and the output shaft.